/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2023 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
CAN_HandleTypeDef hcan;

UART_HandleTypeDef huart1;

/* USER CODE BEGIN PV */
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_CAN_Init(void);
static void MX_USART1_UART_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
#include "stdio.h"

#ifdef __GUNC__
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif
PUTCHAR_PROTOTYPE
{
	HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1 , 0xFFFF);
  return ch;
}
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_CAN_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */
#include "sha256.h"
#include "round.h"
#include "sponge.h"
#include "keccak_f.h"
		CAN_HandleTypeDef hcan;
		HAL_Delay(999);
		HAL_CAN_Start(&hcan);
		CAN_TxHeaderTypeDef TxHeader;
		uint8_t TxData[8]={0x23,0x23,0x60,0x61,0x80,0x81,0xA0,0xA1};
		
		TxHeader.RTR=CAN_RTR_DATA;
		TxHeader.IDE=CAN_ID_STD;
		TxHeader.StdId=0x88;
		TxHeader.TransmitGlobalTime=DISABLE;
		TxHeader.DLC=8;
		uint32_t TxMailbox;
//		int send_start_time=HAL_GetTick();
//		for(int i=0;i<100000;++i)
//		{
//			HAL_CAN_AddTxMessage(&hcan,&TxHeader,TxData,&TxMailbox);
//		}
//		int send_end_time=HAL_GetTick();
//		printf("time cost: %d",send_end_time-send_start_time);
		
		
		
		
//  性能测试
		printf("output form printf\r\n");
		unsigned char test_data[16];
		unsigned char buf[32];
		for(int i=0;i<16;++i)
		{
			test_data[i]=i;
		}
		for(int i=0;i<32;++i)
		{
			buf[i]=i;
		}
		
		// SHA-256性能测试
		unsigned char hash_result[SHA256_SIZE_BYTES];
		// 16 Bytes test
		printf("\n16 Bytes test:\n");
		int sha2_start_time=HAL_GetTick();
		printf("start time: %d",sha2_start_time);
		for(int i=0;i<1000;++i)
		{
			sha256(test_data,sizeof(test_data),hash_result);
		}
		int sha2_end_time=HAL_GetTick();
		printf("\nend time: %d",sha2_end_time);
		printf("\nsha2 calculation time: %d",sha2_end_time-sha2_start_time);
		
		// 32 Bytes test
		printf("\n32 Bytes test:\n");
		sha2_start_time=HAL_GetTick();
		printf("start time: %d",sha2_start_time);
		for(int i=0;i<1000;++i)
		{
			sha256(buf,sizeof(buf),hash_result);
		}
		sha2_end_time=HAL_GetTick();
		printf("\nend time: %d",sha2_end_time);
		printf("\nsha2 calculation time: %d",sha2_end_time-sha2_start_time);

		/*
		// SHA3-keccak性能测试
		// 16 Bytes test
		unsigned char* p_temp;
		printf("\n16Bytes test:\n");
		int sha3_start_time=HAL_GetTick();
		printf("start time:%d",sha3_start_time);
		for(int i=0;i<10;++i)
		{
			p_temp=sponge(test_data,sizeof(test_data));
		}
		int sha3_end_time=HAL_GetTick();
		printf("\nend time: %d",sha3_end_time);
		printf("\nsha3 calculation time: %d",sha3_end_time-sha3_start_time);
	
		// 32 Bytes test
		printf("\n32Bytes test:\n");
		sha3_start_time=HAL_GetTick();
		printf("start time:%d",sha3_start_time);
		for(int i=0;i<1;++i)
		{
			p_temp=sponge(buf,sizeof(buf));
		}
		sha3_end_time=HAL_GetTick();
		printf("\nend time: %d",sha3_end_time);
		printf("\nsha3 calculation time: %d",sha3_end_time-sha3_start_time);
		*/
		
		
//		/*for(int i=0;i<SHA256_SIZE_BYTES;++i)
//		{
//			printf("%02x",hash_result[i]);
//		}*/
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

		//HAL_UART_Transmit(&huart1,TxBuf,sizeof(TxBuf),100);
		//printf("aabbccdd");
    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief CAN Initialization Function
  * @param None
  * @retval None
  */
static void MX_CAN_Init(void)
{

  /* USER CODE BEGIN CAN_Init 0 */

  /* USER CODE END CAN_Init 0 */

  /* USER CODE BEGIN CAN_Init 1 */

  /* USER CODE END CAN_Init 1 */
  hcan.Instance = CAN1;
  hcan.Init.Prescaler = 16;
  hcan.Init.Mode = CAN_MODE_NORMAL;
  hcan.Init.SyncJumpWidth = CAN_SJW_1TQ;
  hcan.Init.TimeSeg1 = CAN_BS1_1TQ;
  hcan.Init.TimeSeg2 = CAN_BS2_1TQ;
  hcan.Init.TimeTriggeredMode = DISABLE;
  hcan.Init.AutoBusOff = DISABLE;
  hcan.Init.AutoWakeUp = DISABLE;
  hcan.Init.AutoRetransmission = DISABLE;
  hcan.Init.ReceiveFifoLocked = DISABLE;
  hcan.Init.TransmitFifoPriority = DISABLE;
  if (HAL_CAN_Init(&hcan) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN CAN_Init 2 */

  /* USER CODE END CAN_Init 2 */

}

/**
  * @brief USART1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_USART1_UART_Init(void)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 115200;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOD_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();

}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
